Material: PVC Description: This model helps the students to understand the external and internal structures of the nasal cavity.1. External nose: shows the section of the nasal bones and cartilages.2. Nasal cavity: on the lateral nasal wall show the superior, middle and inferior nasal chonchae project medially into the nasal cavity forming the superior, middle and inferior nasal meatuses.3. Paranasal sinuses: shows the frontal, sphenoid and maxillary sinuses.Magnified 1/2 the natural size. Made of PVC.